The **ADA4807-2ARMZ-R7** is a high-speed, dual-channel, rail-to-rail input and output amplifier manufactured by Analog Devices. It is specifically designed for applications requiring low power consumption without sacrificing high-speed performance and precision. --- ### 1. Key Technical Specifications | Parameter | Value / Description | | :--- | :--- | | **Number of Channels** | 2 (Dual Op-Amp) | | **Bandwidth (-3 dB)** | 180 MHz | | **Slew Rate** | 225 V/µs | | **Supply Voltage Range** | 2.7 V to 11 V (±1.35 V to ±5.5 V) | | **Low Quiescent Current** | 1.0 mA per amplifier | | **Voltage Noise Density** | 3.1 nV/√Hz (at 100 kHz) | | **Input Bias Current** | 0.7 µA (typical) | | **Output Stage** | Rail-to-Rail | --- ### 2. Part Number Breakdown: `ADA4807-2ARMZ-R7` * **ADA4807:** The base model number for this family of high-speed, low-power amplifiers. * **-2:** Indicates a **dual-channel** configuration (two op-amps in one package). * **ARMZ:** * **A:** Performance grade. * **RM:** Refers to the **MSOP-8** (Mini Small Outline Package) package type. * **Z:** RoHS compliant (Lead-free). * **R7:** Indicates the packaging format, specifically a **7-inch Tape and Reel** (typically containing 1,000 units). --- ### 3. Core Electronic Features #### Low Power vs. High Speed The standout feature of this IC is its efficiency. Usually, high-speed amplifiers (180 MHz) consume significant power. The ADA4807-2 operates at only 1 mA per channel, making it ideal for battery-powered portable electronics. #### Rail-to-Rail Input and Output (RRIO) The amplifier can handle input and output signals that swing all the way to the supply rails. This maximizes dynamic range, which is critical when working with low-voltage supplies (like 3.3V). #### High Precision With a low offset voltage (typically 20 µV) and low noise, it ensures that high-speed signal processing remains accurate even at high gains. --- ### 4. Common Applications * **High Resolution ADC Drivers:** Buffering signals for 16-bit or 18-bit Analog-to-Digital Converters. * **Portable Instrumentation:** Handheld medical or industrial testing devices. * **Active Filters:** Designing high-frequency filters with low power overhead. * **Photodiode Pre-amps:** Converting light signals into voltage in optical communication or sensing. ---